Diacetyl

Diacetyl, the buttery-flavored chemical used in microwave popcorn, may be banned in California by 2010.

Microwave Popcorn Is The New Asbestos | Impact Lab 2007

Diacetyl (emphasis on the first syllable) is also called biacetyl (emphasis on the last syllable) and the latter is what we called in when I was working on the photooxidation of aromatic hydrocarbons a couple or three decades ago.

Hot Buttered James Killus 2008

Diacetyl - the artificial butter flavor in most microwave popcorn - is not very dangerous in normal quantities.

Microwave Popcorn, Minus the Ripoff - Bitten Blog - NYTimes.com 2008

Diacetyl, the butter flavoring chemical, is believed to be connected to serious lung disease among factory workers and more recently even to at least one consumer.

09/06/2007 2007

Diacetyl is only dangerous in high concentrations, so it most negatively affects the hapless employees who make the popcorn.

Nunc Scio » Blog Archive » Microwave popcorn = lung destroyer 2007

Nag on the Lake: Diacetyl linked to popcorn workers lung

Diacetyl linked to popcorn workers lung The Nag 2006

Diacetyl is used as a flavoring in microwave popcorn.

Archive 2006-08-01 The Nag 2006

Diacetyl is used as a flavoring in microwave popcorn.

Diacetyl linked to popcorn workers lung The Nag 2006

Lactones: coconut, peach Acetaldehyde: green apple Acetic acid: vinegar Diacetyl: buttery

On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004

Lactones: coconut, peach Acetaldehyde: green apple Acetic acid: vinegar Diacetyl: buttery

On Food and Cooking, The Science and Lore of the Kitchen Harold McGee 2004